Answer:
I am the hole in the night, the ever watchful eye. I return in a cycle, to enlighten the sky.
If you spot one of these eastern warriors, they're not doing their job right.
I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help. Yet many people are afraid to let me help them.
Each of these ends in a kettle full of precious metal and the double variety is quite awesome
What do people want the least on their hands?
I am your mother's brother's only brother in law. Who am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?